Replaced radiator, coolant replace procedure???!!! - Ford Powerstroke Diesel Forum
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Old 11-05-2012, 05:48 AM
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Question Replaced radiator, coolant replace procedure???!!!

I replaced my radiator this weekend , took me most of the day Saturday to do. Anyways I then did some research to see how much coolant it holds and I came across people saying to use a rad vac to get the air out. I don't have one so I read up on procedures that you can do without. Came across a few that said you can do it the ol fashioned way of running it for 30+ minutes and adding coolant as you go. It was my only option cause I need the truck for work. Is this procedure really ok? I def don't want cavitation in motor and to be completely honest I'm pretty nervous about this!! Any input would be appreciated!!
2008 ford f450 6.4
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Old 11-05-2012, 06:19 AM
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when i did my coolant flush i just got it up to operating temp. I carefully removed the degas cap and let it run on high idle for a few minutes. I gave the upper hose a few squeezes. As i drove it the air seemed to work its way out.
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Old 11-05-2012, 06:25 AM
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Quote:
Originally Posted by 04hdfatboy View Post
when i did my coolant flush i just got it up to operating temp. I carefully removed the degas cap and let it run on high idle for a few minutes. I gave the upper hose a few squeezes. As i drove it the air seemed to work its way out.
I did the same thing and it worked for me as well
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Old 11-05-2012, 06:36 AM
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I tried poppin the degas cap off but couldn't. Is there any trick I mean I kno u push it down and it turns. Then it stops and I couldn't get it up and off. And on the degas subject, the coolant system is obv hooked up to it so I don't have to add anything there, correct?
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Old 11-05-2012, 06:38 AM
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Mine you dont have to push down and turn. Mine just unscrews. I dont know why yours wont come off
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Old 11-05-2012, 06:53 AM
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Originally Posted by Gliddd View Post
I tried poppin the degas cap off but couldn't. Is there any trick I mean I kno u push it down and it turns. Then it stops and I couldn't get it up and off. And on the degas subject, the coolant system is obv hooked up to it so I don't have to add anything there, correct?
It should just turn. You shouldn't have to push it down. Are you trying to take off the small one for the fuel cooler? As for adding coolant yes you add it into the degas bottle.
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Old 11-05-2012, 07:20 AM
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Ok well I got my terms and names mixed up. What I call the overflow bottle is what I add the coolant in. The other bottle that is behind that with a cap and I sight glass showing how much coolant is in it is the one I tried taking the cap off.
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Old 11-05-2012, 07:21 AM
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The overflow bottle or tank is what I put my coolant in!!!
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Old 11-05-2012, 07:28 AM
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Originally Posted by Gliddd View Post
Ok well I got my terms and names mixed up. What I call the overflow bottle is what I add the coolant in. The other bottle that is behind that with a cap and I sight glass showing how much coolant is in it is the one I tried taking the cap off.
As superduty6.4 said above that one is for the fuel cooler.
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Old 11-05-2012, 08:26 AM
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Ok thanks for the clarification. I'm a newbie to diesels and I'm still learning. Takin the ol girl apart got me familiar with the engine compartment. But still got a long way to go
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